In message .com,
Amber writes
Do we have a moderator for this group or anyone who can get IP
addresses or more info about our serial trolls/spammers?

As others have said, this is a non-moderated newsgroup.

1. They'll go away again after a while.

2. I've not really seen any of this, I assume my news service (ISP, out
sourced to Supernews) is filtering them out. ISTR new.individual.net did
the same.

3. If it really bothers you, you could change new server.
--
Chris French